import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class Main {
	
	public static void main(String s[]) {
		
		MainWindow f = new MainWindow("Circle Segment");
        f.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {System.exit(0);}
        });
        	
    }

}
